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Stock-Based Compensation (Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Number of Stock Options      
Outstanding, beginning of period (in shares) 432,269    
Granted (in shares) 50,000    
Exercised (in shares) (66,000)    
Canceled/Forfeited (in shares) (1,500)    
Expired (in shares) 0    
Outstanding, end of period (in shares) 414,769 432,269  
Exercisable (in shares) 312,933    
Weighted Average Exercise Price      
Outstanding, weighted average exercise price, beginning of period (in dollars per share) $ 17.55    
Granted, weighted average exercise price (in dollars per share) 22.90    
Exercised, weighted average exercise price (in dollars per share) 11.76    
Canceled/Forfeited, weighted average exercise price (in dollars per share) 30.41    
Expired, weighted average exercise price (in dollars per share) 0.00    
Outstanding, weighted average exercise price, end of period (in dollars per share) 19.07 $ 17.55  
Exercisable, weighted average exercise price (in dollars per share) $ 17.13    
Weighted Average Remaining Contractual Life (years)      
Outstanding, weighted average remaining contractual life 5 years 29 days 4 years 8 months 80 days  
Exercisable, weighted average remaining contractual life 3 years 10 months 36 days    
Aggregate Intrinsic Value      
Outstanding, aggregate intrinsic value $ 1,814 $ 2,786  
Exercised, aggregate intrinsic value 481 $ 48 $ 458
Canceled/Forfeited, aggregate intrinsic value 0    
Exercisable, aggregate intrinsic value $ 1,766